19992510

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{179}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 56103840

約数和(自身を除く): 36111330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 17, 18, 30, 34, 45, 51, 73, 85, 90, 102, 146, 153, 170, 179, 219, 255, 306, 358, 365, 438, 510, 537, 657, 730, 765, 895, 1074, 1095, 1241, 1314, 1530, 1611, 1790, 2190, 2482, 2685, 3043, 3222, 3285, 3723, 5370, 6086, 6205, 6570, 7446, 8055, 9129, 11169, 12410, 13067, 15215, 16110, 18258, 18615, 22338, 26134, 27387, 30430, 37230, 39201, 45645, 54774, 55845, 65335, 78402, 91290, 111690, 117603, 130670, 136935, 196005, 222139, 235206, 273870, 392010, 444278, 588015, 666417, 1110695, 1176030, 1332834, 1999251, 2221390, 3332085, 3998502, 6664170, 9996255, 19992510]

約数ペア:

[(1, 19992510), (2, 9996255), (3, 6664170), (5, 3998502), (6, 3332085), (9, 2221390), (10, 1999251), (15, 1332834), (17, 1176030), (18, 1110695), (30, 666417), (34, 588015), (45, 444278), (51, 392010), (73, 273870), (85, 235206), (90, 222139), (102, 196005), (146, 136935), (153, 130670), (170, 117603), (179, 111690), (219, 91290), (255, 78402), (306, 65335), (358, 55845), (365, 54774), (438, 45645), (510, 39201), (537, 37230), (657, 30430), (730, 27387), (765, 26134), (895, 22338), (1074, 18615), (1095, 18258), (1241, 16110), (1314, 15215), (1530, 13067), (1611, 12410), (1790, 11169), (2190, 9129), (2482, 8055), (2685, 7446), (3043, 6570), (3222, 6205), (3285, 6086), (3723, 5370)]